CBK Charter

Summary:

CBK Charter is a public charter high school in Riverside, California, serving around 500 students in grades 9-12. Based on the data provided, the school has consistently ranked in the bottom quartile of California high schools, with a 1-star rating from SchoolDigger over the past several years.

CBK Charter struggles across multiple key metrics. The school has had very low four-year graduation rates, ranging from 18.8% to 37.3%, which is significantly lower than the state average and nearby schools like Polytechnic High. Correspondingly, CBK Charter has had high dropout rates, ranging from 44.0% to 53.2%, much higher than the state and Riverside Unified district averages. The school also faces high chronic absenteeism, with rates ranging from 27.2% to 46.2% over the past several years, a key factor contributing to the low academic performance.

Academically, CBK Charter's proficiency rates on state assessments are significantly below state and Riverside County Office of Education district averages across all subject areas. For example, in 2023-2024, only 18.39% of 11th-grade students were proficient or better in English Language Arts, compared to 55.73% statewide. The school's performance is particularly low for certain student subgroups, such as African American, Hispanic, English Learner, and Special Education students. Addressing these challenges will be crucial for CBK Charter to improve and provide a high-quality education for its students.

Detail:

Public, Charter 9-12

3939 13th St.
Riverside, CA 92501-3505

(951) 826-6461

District: Riverside County Office of Education

SchoolDigger Rank:
1861^st of 2,323 California High Schools

Per Pupil Expenditures: $56,124

Student/teacher ratio: 27.3

Number of students: 601

Racial breakdown:

Hispanic:

75.0%

White:

11.5%

African American:

7.3%

Free/discounted lunch recipients: 64.9%

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Performance Trends

Compare Details CBK Charter ranks worse than 80.1% of high schools in California. (See more...)

Compare Details In 2024 the calculated Average Standard Score was 13.6. (See more...)

The four-year cohort graduation rate measures the percentage of students at CBK Charter who earn a standard high school diploma within four years of starting ninth grade.

The high school dropout rate measures the percentage of students who do not complete their high school education.

Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.

Student Body

Compare Details Racial makeup is: Hispanic (75%), White (11.5%), African American (7.3%). (See more...)

Compare Details 64.9% of students are receiving a free or discounted lunch. (See more...)

Teachers

Compare Details The student/teacher ratio at CBK Charter is 27.3. (See more...)

Compare CBK Charter employs 22 full-time teachers.

Finance

Compare Details The average total spent per student at CBK Charter is $56,124.

Schooldigger 2024 Rankings:

CBK Charter:

SchoolDigger ranks CBK Charter 1861^st of 2323 California public high schools. (See CBK Charter in the ranking list.)

High School Test Score Ratings by Student Subgroup:

English Language Learner students:

Special Education students:

Low Socio Economic Status students:

Female students:

Male students:

Hispanic students:

White students:

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Rank History for CBK Charter

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Rank History for all students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2015	13.60	1637^th	1994	17.9%
2016	15.62	1600^th	2039	21.5%
2017	12.06	1704^th	2021	15.7%
2018	14.68	1609^th	2017	20.2%
2019	14.45	1792^nd	2133	16.0%
2021	13.90	1096^th	1290	15.0%
2022	14.66	1803^rd	2123	15.1%
2023	14.18	1867^th	2348	20.5%
2024	13.60	1861^st	2323	19.9%

See the entire list of California High School Rankings!

Rank History for English Language Learner students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	25.40	739^th	938	21.2%
2019	37.20	529^th	941	43.8%
2021	33.20	307^th	467	34.3%
2022	57.32	232^nd	1044	77.8%
2023	23.54	1162^nd	1323	12.2%
2024	19.36	1288^th	1350	4.6%

See the entire list of Best California High Schools for English Language Learner Students!

Rank History for Special Education students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile	SchoolDigger Rating
2023	22.36	1275^th	1547	17.6%
2024	19.66	1357^th	1534	11.5%

See the entire list of Best California High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	14.38	1498^th	1862	19.5%
2019	14.70	1638^th	1937	15.4%
2021	14.10	968^th	1126	14.0%
2022	16.78	1628^th	1943	16.2%
2023	13.53	1848^th	2247	17.8%
2024	15.56	1769^th	2235	20.9%

See the entire list of Best California High Schools for Low Socio Economic Status Students!

Rank History for Female students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	11.49	1495^th	1760	15.1%
2019	9.49	1710^th	1833	6.7%
2021	9.07	980^th	1054	7.0%
2022	11.84	1685^th	1858	9.3%
2023	9.68	1912^th	2118	9.7%
2024	10.86	1829^th	2098	12.8%

See the entire list of Best California High Schools for Female Students!

Rank History for Disabled students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2019	30.42	761^st	1117	31.9%
2021	42.02	272^nd	555	51.0%
2022	35.12	690^th	1161	40.6%

See the entire list of Best California High Schools for Disabled Students!

Rank History for Male students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	14.54	1476^th	1834	19.5%
2019	17.48	1496^th	1880	20.4%
2021	14.27	965^th	1122	14.0%
2022	15.25	1623^rd	1916	15.3%
2023	20.51	1599^th	2207	27.5%
2024	13.23	1768^th	2172	18.6%

See the entire list of Best California High Schools for Male Students!

Rank History for African American students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	10.06	561^st	582	3.6%
2019	12.32	556^th	592	6.1%
2022	10.54	514^th	522	1.5%
2023	39.24	402^nd	720	44.2%

See the entire list of Best California High Schools for African American Students!

Rank History for Hispanic students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	15.08	1386^th	1742	20.4%
2019	14.08	1543^rd	1814	14.9%
2022	15.36	1585^th	1861	14.8%
2023	12.66	1792^nd	2142	16.3%
2024	12.97	1747^th	2125	17.8%

See the entire list of Best California High Schools for Hispanic Students!

Rank History for White students at CBK Charter

Year	Avg Standard Score	Statewide Rank	Total # Ranked High Schools	CA State Percentile
2018	10.05	1038^th	1173	11.5%
2019	6.14	1131^st	1222	7.4%
2022	5.51	1152^nd	1204	4.3%
2024	3.62	1330^th	1406	5.4%

See the entire list of Best California High Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Data source: California Department of Education

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Enrollment information for CBK Charter

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Year	White	African American	Asian	Hispanic	American Indian	Pacific Islander	Two or More Races	Not Specified	Total
2014	31	15	3	155	2	0	3	0	209
2015	87	52	5	297	6	2	15	0	464
2016	106	64	5	442	9	3	14	0	643
2017	94	51	9	422	4	4	14	0	598
2018	79	54	11	470	4	2	16	0	636
2019	80	44	11	429	5	0	12	0	581
2020	85	55	9	476	3	0	24	0	652
2021	67	39	3	390	3	1	19	0	522
2022	44	20	2	284	4	0	20	3	377
2023	60	32	4	372	5	3	18	6	500
2024	69	44	3	451	3	2	22	7	601

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at CBK Charter

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Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
2014	209	n/a	n/a	63.2
2015	464	13.0	35.6	50.2
2016	643	26.0	24.7	69.7
2017	598	27.4	21.7	68.4
2018	636	28.0	22.7	82.9
2019	581	27.0	21.5	86.9
2020	652	n/a	n/a	66.3
2021	522	26.5	19.6	74.9
2022	377	22.5	16.7	55.4
2023	500	22.7	21.9	64.6
2024	601	22.0	27.3	64.9

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio CBK Charter

Compare

Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
2014	209	n/a	n/a	63.2
2015	464	13.0	35.6	50.2
2016	643	26.0	24.7	69.7
2017	598	27.4	21.7	68.4
2018	636	28.0	22.7	82.9
2019	581	27.0	21.5	86.9
2020	652	n/a	n/a	66.3
2021	522	26.5	19.6	74.9
2022	377	22.5	16.7	55.4
2023	500	22.7	21.9	64.6
2024	601	22.0	27.3	64.9

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

Finances

Per Pupil Expenditures for CBK Charter

Year	Total Expenditures Per Pupil
2018	$56,124

Data source: California Department of Education

Pre and Post Pandemic Data

Impact of COVID-19 on CBK Charter

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank Pre-pandemic (2018-2019)	Rank Post pandemic (2022-2023)	Change (%)
Ranks 1792^nd of 2133 High schools	Ranks 1867^th of 2348 High schools	4.5%

Test Scores

	% proficient Pre-pandemic (2018-2019)	% proficient Post pandemic (2022-2023)	Change (%)
11th Grade English Language Arts/Literacy (CBK Charter)	14.5	22.4	7.9%
11th Grade English Language Arts/Literacy (Riverside County Office of Education)	11.2	12.8	1.6%
11th Grade English Language Arts/Literacy (California)	57.3	55.4	1.9%
11th Grade Mathematics (CBK Charter)	1.4	0.9	0.5%
11th Grade Mathematics (Riverside County Office of Education)	0.8	0.5	0.3%
11th Grade Mathematics (California)	32.2	27.4	4.9%
12th Grade Science (CBK Charter)	8.7	5.5	3.2%
12th Grade Science (Riverside County Office of Education)	5.9	5.6	0.3%
12th Grade Science (California)	25.6	26.9	1.3%

Student Body

	Number of students Pre-pandemic (2018-2019)	Number of students Post pandemic (2022-2023)	Change (%)
Total Students	581	500	13.9%
African American	44	32	27.3%
American Indian	5	5
Asian	11	4	63.6%
Hispanic	429	372	13.3%
Pacific Islander	0	3
White	80	60	25%
Two or More Races	12	18	50%
% Free/Discounted Lunch Recipients	86.9%	64.6%	22.3%

Schools Near CBK Charter

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2024)				Ranking (2023)				CAST Science (2024)				Smarter Balanced Assessments English Language Arts/Literacy (2024)				Smarter Balanced Assessments Mathematics (2024)				Per Pupil Expenditures (2018)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	SchoolDigger Rating (2024)	Average Standard Score (2023)	Statewide Rank (2023)	State Percentile (2023)	Rank Change from Previous Year	CAST Science 8th Grade	CAST Science 11th Grade	CAST Science 12th Grade	CAST Science End of Course	Smarter Balanced Assessments English Language Arts/Literacy 7th Grade	Smarter Balanced Assessments English Language Arts/Literacy 8th Grade	Smarter Balanced Assessments English Language Arts/Literacy 11th Grade	Smarter Balanced Assessments English Language Arts/Literacy End of Course	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Mathematics End of Course	Total
CBK Charter	Public, Charter	9-12	3939 13th St.	Riverside	92501	Riverside County	Riverside County Office of Education	Yes	(n/a)	No	(n/a)	(951) 826-6461	601	22	27.3	64.9%	69 (11.5%)	44 (7.3%)	451 (75.0%)	3 (0.5%)	3 (0.5%)	2 (0.3%)	22 (3.7%)	13.6	1861^st of 2323 public high schools	19.9%		14.2	1867^th of 2348 public high schools	20.5%	6			16.7	16.7			18.4	18.4			1.7	1.7	$56,124
Riverside County Regional Occupational Program	Public	9-12	3939 13th St.	Riverside	92502	Riverside County	Riverside County Office Of Education Regional Occupational	No	(n/a)	(n/a)	(n/a)	(951) 826-6797	0				0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)
Riverside County Community	Public	7-12	3939 13th St.	Riverside	92501	Riverside County	Riverside County Office of Education	No	(n/a)	No	(n/a)	(951) 826-6464	212	18	11.8	77.4%	12 (5.7%)	19 (9.0%)	167 (78.8%)	0 (0.0%)	1 (0.5%)	0 (0.0%)	12 (5.7%)	6.4	2277^th of 2323 public high schools	2.0%		6.7	2283^rd of 2348 public high schools	2.8%	6	4.9			4.1	0.0	4.6	6.5	4.4	0.0	2.3	0.0	0.8	$63,114
Gateway College and Career Academy	Public, Charter	9-12	4800 Magnolia Ave.	Riverside	92506	Riverside County	Gateway College and Career Academy District	Yes	(n/a)	No	(n/a)	(951) 222-3710	335	6	55.9	63.9%	48 (14.3%)	26 (7.8%)	240 (71.6%)	7 (2.1%)	1 (0.3%)	1 (0.3%)	12 (3.6%)	22.9	1608^th of 2323 public high schools	30.8%		21.5	1654^th of 2348 public high schools	29.6%	46		0.0	21.1	18.2			28.4	28.4			4.1	4.1
Abraham Lincoln Continuation	Public	9-12	4341 Victoria Ave.	Riverside	92507	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 788-7371	171	11	15.5	63.2%	11 (6.4%)	6 (3.5%)	139 (81.3%)	2 (1.2%)	0 (0.0%)	0 (0.0%)	13 (7.6%)	6.8	2259^th of 2323 public high schools	2.8%		9.2	2115^th of 2348 public high schools	9.9%	144		0.0		0.0			2.9	2.9			0.0	0.0	$20,237
John W. North High	Public	9-12	1550 West Third St.	Riverside	92507	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 788-7311	2,089	92	22.7	53.8%	139 (6.7%)	218 (10.4%)	1,559 (74.6%)	83 (4.0%)	7 (0.3%)	18 (0.9%)	61 (2.9%)	37.2	1206^th of 2323 public high schools	48.1%		40.6	1119^th of 2348 public high schools	52.3%	87		20.3	23.1	20.4			46.6	46.6			11.3	11.3	$9,064
Polytechnic High	Public	9-12	5450 Victoria Ave.	Riverside	92506	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 788-7203	2,633	103	25.6	37.8%	570 (21.6%)	135 (5.1%)	1,784 (67.8%)	57 (2.2%)	7 (0.3%)	5 (0.2%)	65 (2.5%)	65.5	542^nd of 2323 public high schools	76.7%		62.9	599^th of 2348 public high schools	74.5%	57		30.5	12.5	30.0			68.5	68.5			29.9	29.9	$7,933
Raincross High (Continuation)	Public	9-12	6401 Lincoln Ave.	Riverside	92506	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 276-7670	252	14	18.4	56.0%	35 (13.9%)	11 (4.4%)	184 (73.0%)	5 (2.0%)	1 (0.4%)	0 (0.0%)	15 (6.0%)	9.1	2084^th of 2323 public high schools	10.3%		9.4	2094^th of 2348 public high schools	10.8%	10		1.2	0.0	1.0			15.2	15.2			0.0	0.0	$13,710
Opportunity Program	Public	7-12	6401 Lincoln Ave.	Riverside	92506	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 276-7670	48	4	12.9	60.4%	4 (8.3%)	6 (12.5%)	33 (68.8%)	2 (4.2%)	0 (0.0%)	1 (2.1%)	2 (4.2%)	15.2	1806^th of 2323 public high schools	22.3%		5.4	2311^th of 2348 public high schools	1.6%	505				0.0				33.3				0.0	$28,971
Rubidoux High	Public	9-12	4250 Opal St.	Jurupa Valley	92509	Riverside County	Jurupa Unified	No	(n/a)	No	(n/a)	(951) 222-7700	1,323	68	19.5	91.5%	43 (3.3%)	24 (1.8%)	1,221 (92.3%)	12 (0.9%)	3 (0.2%)	4 (0.3%)	16 (1.2%)	15.2	1805^th of 2323 public high schools	22.3%		22.3	1637^th of 2348 public high schools	30.3%	168		9.1	7.1	9.0			20.3	20.3			5.6	5.6	$12,133

Frequently Asked Questions about CBK Charter

What district is CBK Charter in?

Riverside County Office of Education

Is CBK Charter a good school?

CBK Charter ranks in the bottom 19.9% of California high schools.

What is the racial makeup of CBK Charter?

Students at CBK Charter are 75% Hispanic, 11% White, 7% African American, 4% Two or more races, 1% Not Specified.

How many students attend CBK Charter?

In the 2023-24 school year, 601 students attended CBK Charter.

Rate CBK Charter!

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.